## AQA Computer Science GCSE

This page is up to date for the AQA 8525 syllabus for exams from 2022.

### Programming Concepts - Mathematical Operators

Basic mathematical operators are addition (+), subtraction (-), multiplication (*) and division (/). BIDMAS rules apply when you're using these, so take care, especially when dealing with multiplication and division.

Basic Mathematical Operators - notes from class

You then need to add in MOD and DIV - two specialist forms of division.

All Mathematical Operators - a summary with DIV and MOD added

Some exam style questions dealing with operators and trace tables. It would be a good idea to code these questions in Python as well.

Question 0 - a simple introduction

Question 2 - a bit trickier (particularly the last part)